Automobile-engine-oiling device



UNiTED states PATENT oFFicr..

GRIFFIN Y. IVIGCLATCHIE, OF

PALO ALTO, CALIFORNIA.

AUTOMOBILE-ENGINE-OILING DEV'ICE 17 '0 all whom1 it m (1,7/ 0071061172.:

Be it known that I, GRIFFIN Y. Mo- CLATCHIE, a citizen of the UnitedStates, residing atl Palo Alto, in the county of Santa Clara and Stateof California, have invented new and useful Improvements inAutomobile-Engine-Oiling Devices, of which the following is aspecification.

This invention relates to improvements in automobile Splash feedlubricating systems of the type wherein the bottom wall of the crankcase is provided with shallow pockets or depressions arranged to providepools of oil in the path of certain moving parts of the crank shaft orconnecting rods, whereby said moving parts will distribute or splash theoil onto and lubricate various parts of the engine.

In systems of the character described, particularly in a well known andpopular make of automobile, when negotiating grades, such as mountainroads and traveling on steep graded highways as well, or any road gradedabove 7%, the lower wall of the crank case is inclined so that most ofthe oil runs out of the shallow pockets or depressions and collects atthe after end of the crank case. TVhen this takes place, the smallamount of oil retained in the pockets or depressions is insufiicient tomake pools large enough to permit the moving parts of the engine toencounter and splash the oil. Ordinarily, the parts of the engine whichpick up or splash the oil are small and dip into the centers of thepools and as the pockets are relatively large, these small amounts ofoil retained in the pockets as hereinbefore described are disposed atthe rear portions of the pockets and will not be dipped by said movingparts. The result of this is that the engine fails to get the properlubrication, will not operate properly, and begins to lose in power. Frequently, burned out or scalded eylindcrs and burned out bearingsresult from this lack of lubrication. It will, therefore, be apparent,that in mountainous sections of the country where grades of over 7%several miles in length are frequently encountered, the foregoingobjections are most serious.

It is the primary object of this invention to provide simple,inexpensive, and easily installable means for overcoming the hereinnotedobjections and hazards attending the use of these splash feed systems,whereby Specification of Letters Patent.

Patented Aug. 16, 1921. 1920. Serial No. 399,035.

maximum power and engine ethciency may be obtained in negotiatingmountain grades or roads graded above 7% or to an extent such that thedifliculties before-mentioned regarding lubrication are brought about.To these ends, I provide upon the rear edges and sides of the pockets,walls or bafl'le plates extending above the level of the bottom of thecrank case so as to increase the depth of the pockets whereby When thebottom wall is tilted, as in negotiating grades, sufficient oil will beretained in the pockets to permit the moving parts of the engine to dipinto and splash the oil.

The invention possesses other advantages and features, some of which,with the foregoing, will be set forth at length in the followingdescription wherein I shalloutline in full that form of the inventionwhich I have selected for illustration in the drawings accompanying andforming a part of the present specification. In said drawings, I haveshown one form of the Construction of my invention, but it isto beunderstood that I do not limit myself to such form since the inventionas expressed in the claims may be embodied in a plurality of forms.

Referring to the drawings, Figure 1 is a fragmentary vertical sectionalview taken through an automobile engine longitudinally, showing the samein position as it would appear when the automobile is negetiating a roadgraded above 7% and particularly illustrating the application of thisinvention to the engine. i

V Fig. 2 is a fragmentary plan view of the invention shown applied tothe crank case.

F ig. 3 is a cross sectional view taken on the line 3-3 of Fig. 2.

Referring to the drawings, there is provided an engine l which isprovided with a crank case. 2 in which the orank shaft R, and connectingrods 4 are operated. rI'he lower ends of the counecting rods areprovided with projecting portions or parts 5 which are adapted tocontact with oil contained in the crank case so as to splash the oil andlubricate the various parts of the engine. The crank case 2 is providedwith removable bottom section 0, in which section are formed a pluralityof depressions providing pockets '7. These deprcssions or pockets 7 aredisposed transversely of the bottom of the crank case and are adapted tocontain shallow pools of oil so that the parts 5 of the engine will dipinto said pools and splesh` or distribute the oil to lubricete veriousperts-of the engine. This construction is thet ordinerily provided in evWell known meke of eutomobile. The sectionel bottom 6 is secured bybolts 8`to the crenk.

cese 2, there being provided inside of the crenk cese, securing strips 9Which overlie the edges of the pert of the crenkceseito Which seidmember is bolted, the bolts ex tending through seid strips 9.

In cerrying out Vmy lnvention, I mount upon the inside of the sectionelbottom 6 of the crenk cese elong thesides end reer edges of the pocketsor depressions, Wells or beflie members 10 end 11. These Wells ormembers extend upWerdly from the mein porloWs the oil to floW reedily tothe ;removeble bottom 6 end to enter the pockets 7.l By heving the Wells10 end 11 upon the sides end reer edges of the pockets only, the oilWill reedily enter the pockets et the front edges thereof. The sides ofthe pockets ere speced from the side edges of the sectionel bottom endthe side Wells on the left 'side ere likeWise speced, the lettersu'liiciently to provide chennels 13 Whereby pert of the oil Will runpest the foremostV pockets into the reermost pockets.

Preferebly the side Wells 11 on the right side of the sectionel bottom6, this being the side in Which the chennel 12-is provided, ere higherthen the Wells onthe opposite side, the letter being dof forWerdlydecreesing height. The ends of the side Wells on the right side ereturned outWerdly so es to neerly engegeV the strip 9, es et 12'. Thiserrengement is provided so thet es the oil enters the sectionel bottomthrough the chennel 12, the higher side Wells Will prevent the oil fromrunning pest the foremost pockets end Will divert the oil into seidpocket. The overfloW from the pockets Will teke plece on the oppositesides, over the loWer Wells 11. A discherge chennel-M is provided in thestrip 9 edjecent to the reer side thereof. Preferebly, the Wells 10 end11 ere formed of one piece of sheet metel bent into substentiellyU-shepe end soldered or otherwise seoured to the bottom 6, but theseWells mey be otherwise provided end formed esdesired. The mein purposeof the Wells is to provide e meens of obstruction for reterd-ing thefioW of oil out of the pockets When the eutomobile is running up hillend the bottom of the crenk cese is inclned. By this obstruction,sufficientV oil Will` be reteined in the pockets to provide pools of oilsuch es shown in Fig. 1 of the dreWings, seid pools being sufficiently.deep to permit the perts 5 of the engine to dip -into seid-pools enddistribute the oil to veri- `ous perts of the engine so` es to properlyi lubricete the engine.

To prevent the running of oil pest the chennel 12 end outside of thestrip 9, e smell betch of Weste or similer meteriel 15 is pleced underthe strip 9 et the inner side of the chennel. This provides enobstruction Which Will tend to divert the oil through the chennel endonto the sectionel bottom 6.

Icleim:- 1

V1. The combination With en eutomobile engine heving e crenk cesel endroteting per ts of the engine in seid crenk cese, there beingpocketsprovided on the bottom Well of the crenk cese for the reception of poolsof oil, into Wliich pockets seid roteting perts dip, of Wells disp'osedelong` the sides end reer edges of seid pockets to obstruct the floW ofoil out of seid pockets When seid crenk cese is inclined forWerdly endup- Werdly, the Wells on one side of eech pocket 'being substentiellyloWer then on the opposite side.

2. The combinetion With en eutomobile heving e crenk cese provided Withdepressions in the bottom Well thereof, e strip surrounding seiddepressions secured to end extending ebove seid bottomWell, of meens forfeeding oil onto seid bottom Well et e point in edvence of seiddepressions end edjecent to one-side of the bottom of seid crenk cese,end Wells mounted on the bottom ofthe crenk cese end extending elong theside end reer edges of seid'pockets, certein of the-Wells onthe side ofthe pockets heving their forWerd ends turne-d outWerdly to substentiellyengege seid strip.

GRIF FIN Y. MCCLATCHIE.

